Source
BRA0854. Thomas Bewick (1753–1828). A General History of Quadrupeds. The Figures Engraved on Wood by T. Bewick. Third edition. Newcastle upon Tyne: Printed by and for S. Hodgson, R. Beilby, & T. Bewick, Newcastle; sold by them, by G. G. J. & J. Robinson, & C. Dilly, London, 1792.